It is seemed that Chuanmai 42 has the tolerance to low P nutrition after analyzing the index of shoot biologic characteristic, including PH (Plant Height), LA (Leaf Area), SDW (Shoot Dry Weight).

• 通过对地上部生物学特性（地上部生物量、苗高、叶面积）、根系形态学特性（主根长度、分枝根长度、根系总长度和根系干重）的分析，初步结果为：川麦42具有耐低P胁迫能力。